Android Question java.lang.StringIndexOutOfBoundsException and stuck! <<SOLVED>>

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Penfound

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Hi everyone. I've been stuck on this one for three days now and still can't figure out is going wrong.

I'm reading through a text file one line at a time, checking the contents of the line and then trying extract a piece of information from it using StringFunctions...

B4X: 
Do While Line <> "0 TRLR"
   FinalText.Append("Record: ").Append(i).Append(CRLF)
   tmpLine = TextReader1.ReadLine
   Log(tmpLine) 'write the line to LogCat
   If tmpLine.contains("INDI") Then ' A person.
      NewRecord = True
      'parse out individual id
      tmpINDI(i) = sf.MidExtract(tmpLine,"@","@") 'crash happens here
      FinalText.Append("INDI: ").Append(tmpINDI(i)).Append(CRLF)
      'go and get record details
      Do While NewRecord

tmpLine, in this instance = "0 @I1@ INDI"

Is this a bug in stringfuncions or, more likely, something I've got wrong?

Any help would be most welcome
Thanks for looking
Penfound
 
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Penfound

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Sorry I forgot to include the actual error


Error occurred on line: 231 (Gedcom)
java.lang.StringIndexOutOfBoundsException: length=0; regionStart=1; regionLength=-1
at java.lang.String.startEndAndLength(String.java:583)
at java.lang.String.substring(String.java:1464)
at adr.stringfunctions.stringfunctions._vvvv6(stringfunctions.java:479)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:697)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:336)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:246)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:134)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:157)
at anywheresoftware.b4a.debug.Debug.delegate(Debug.java:262)
at org.penfound.TreeBuilder.gedcom._readtextreader(gedcom.java:707)
at org.penfound.TreeBuilder.gedcom._button1_click(gedcom.java:693)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:697)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:339)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:246)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:134)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:157)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:153)
at anywheresoftware.b4a.objects.ViewWrapper$1.onClick(ViewWrapper.java:78)
at android.view.View.performClick(View.java:4421)
at android.view.View$PerformClick.run(View.java:18190)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:175)
at android.app.ActivityThread.main(ActivityThread.java:5279)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
at dalvik.system.NativeStart.main(Native Method)
 
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Penfound

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Just discovered that an unlimited string array will only have 15 slots. Change the declaration from nothing to 500 and it worked perfectly!
 
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